JP2023006158A - Flashing structure for dry wall material and opening - Google Patents

Abstract

An object of the present invention is to prevent rainwater from entering a wall base from between openings such as a drywall material and a sash.
SOLUTION: A long waste board T having a substantially L-shaped cross section, a stop edge X having a substantially U-shaped cross section, a floor board M2 formed in a substantially L-shape from a fixed surface and a fitting portion, and a decorative surface A decorative stop edge consisting of two members, a decorative cap formed in a substantially L shape from the engaging portion, is used. A lining board M2 is fixed to the surface through a gap B, a retaining edge X having a drainage hole formed on the upper surface of the opening K is fixed, a fixing surface at the corner portion of the opening K, and an opening corner on the fixing surface The packing P is formed, the drywall material A is constructed through the stop edge X of the opening K and the lining plate M2, and the engaging portion of the decorative cap is inserted and fixed into the fitting portion of the lining plate M2. A decorative cap was fixed to the opening K, a sealing was formed in the gap B between the opening K and the retaining edge X, and a gap B was formed in the upper surface portion of the opening K.
[Selection drawing] Fig. 7

Description

TECHNICAL FIELD The present invention relates to a drywall material used in buildings and constructions, and a drywall material for preventing rainwater from entering into a wall base between openings such as sashes and a rain closing structure for openings.

In general, a wall is formed using a drywall material having a sandwich structure in which a metal plate is used as a surface material, a synthetic resin foam is used as a core material, and a sheet material is used as a back material, or a drywall material made of an inorganic material is used. In that case, a gap is formed by butting the end of the drywall material and the opening of the sash, etc., and the gap is filled with caulking material, a U-shaped cross-section retaining edge, and an L-shaped drain. There is a way.

JP 2017-179872 A Japanese Patent Application Laid-Open No. 2021-031998 JP 2018-031185 A

However, Documents 1 and 2 have a structure in which the gap is filled with a backup agent and a joint material, and water leakage due to deterioration of the material cannot be avoided. Document 3 has a drainage member formed on the back side (upper portion of the sash) of the structure of Document 1, but there is a danger that rainwater that has flowed down the side of the sash will enter the wall foundation from the side.

In order to solve such drawbacks, the present invention provides a drywall material used in constructions and constructions and a structure for keeping rain out of openings such as sashes. A long waste board formed by folding back a waterproofing piece into a substantially L-shaped cross section, a vertical flat fixed piece, a side piece obtained by folding one end of the fixed piece at approximately 90 degrees, and the side piece A stop edge formed from a fixing piece and a decorative piece protruding substantially parallel to the tip, a lining board formed in a substantially L shape from the fixed surface and the fitting portion, and a substantially L shape from the decorative surface and the engaging portion A decorative stop edge consisting of two members of a decorative cap formed in a letter shape is used, and a continuous sealing is formed on the upper surface of the opening, and the waterproof surface of the waste board is placed and fixed through the sealing. The bottom surface and both side surfaces of the opening are fixed with a lining board through a gap. is fixed, and opening corner packing is formed on the fixed surface of the corner part of each of the four openings, and the drywall material cut to fit the opening is used as the stop edge of the opening and the lining plate. The decorative cap is fixed to the opening by inserting and fixing the engaging part of the decorative cap into the fitting part of the floor plate formed on the side and bottom surfaces, and the gap between the opening and the retaining edge To provide a drywall material with a gap formed in the top portion of the opening and a rain shed structure for the opening while the sealing is formed.

According to the drywall material and the rain banishment structure for the opening (hereinafter simply referred to as the rain banishment structure) according to the present invention, (1) a drainage hole is formed in the retaining edge of the top surface of the opening, and a gap is formed in the top surface of the opening. As a result, rainwater flowing from the surface of the drywall material can be quickly drained to the outside. (2) Since the triangular opening corner packings are adhered and fixed to the four corner portions formed in the opening, it is possible to prevent rainwater from entering the wall substrate from the corner portions. (3) Since a plurality of notches are formed in the retaining edge at the bottom of the opening, even if the external pressure increases due to wind and rain, the internal pressure inside the retaining edge also increases, making it difficult for rainwater to enter the interior. (4) It is possible to eliminate waterproof construction from the surface side using a caulking material after construction, improve workability, improve appearance design, and prevent deterioration of the caulking material due to ultraviolet rays. There are other features and effects.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. FIG. 2 is a cross-sectional view showing an embodiment of a stop edge used in the rain shed structure according to the present invention, and a cross-sectional view showing a construction state; BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. 1A and 1B are a cross-sectional view showing an embodiment of a drywall material used for a rain shed structure according to the present invention, and a cross-sectional view showing a construction state; BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one Example of the order of construction of the rain closing structure based on this invention. 1 is a plan view showing an embodiment of a rain banqueting structure according to the present invention; FIG. 1 is a plan view showing an embodiment of a rain banqueting structure according to the present invention; FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is sectional drawing which shows one Example of the rain banquet structure based on this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is sectional drawing which shows one Example of the rain banquet structure based on this invention. FIG. 4 is a cross-sectional view showing another embodiment of the drywall material used in the rain shed structure according to the present invention; 1 is a perspective view showing an embodiment of a decorative cap used on the lower surface of an opening of a rain banqueting structure according to the present invention; FIG. 1 is a perspective view showing an example of a state of construction of a general part of a rain closing structure according to the present invention; FIG. FIG. 4 is a cross-sectional view showing another embodiment of the flooring board used in the general part of the rain closing structure according to the present invention; FIG. 4 is a cross-sectional view showing another embodiment of a cosmetic cap used for the general part of the rain banqueting structure according to the present invention; FIG. 10 is an explanatory view showing another embodiment of the cosmetic cap used for the general part of the rain banqueting structure according to the present invention;

DESCRIPTION OF THE PREFERRED EMBODIMENTS A representative embodiment of a rain shelter structure according to the present invention will be described in detail below with reference to the drawings. 1 to 10 are explanatory diagrams for explaining the construction order of the rain closing structure according to the present invention. As shown in FIG. 1, the structure is composed of a wall base α and an opening K such as a sash. In addition, although not shown, a waterproof sheet is installed on the wall base α for waterproofing. The wall base α is an existing wall base or a new wall base.

First, the sealing S is continuously formed on the upper surface K2 of the opening K. As shown in FIG. After that, as indicated by an arrow a, a scrap board T is constructed as shown in FIG. The waste board T consists of a fixed surface 1 and a waterproof surface 2. As shown in FIG. The sealing material S is a caulking material such as silicone, modified silicone, or polyurethane, or ethylene propylene rubber (EPDM).

Next, the decorative edge M1 to be constructed on the side surface K1 and the lower surface X3 is as shown in FIGS. 5(a) to 5(c). FIG. a fitting portion 9 protruding to the outside of the fixing surface 8; a concave fitting groove 10 formed in the fitting portion 9; and a fitting piece 11 projecting into the fitting groove 10. It is formed in an elongated shape from

FIG. 5(b) shows a decorative cap M3, which includes a vertical planar decorative surface 12, an engaging portion 13 protruding from one end of the decorative surface 12 toward the indoor side, and a tip of the engaging portion 13 folded back toward the indoor side. It is formed in an elongated shape from the engaging piece 14 which is attached. Further, a step 12a is formed at the tip of the decorative surface 12 to absorb a gap between the drywall material A and the decorative surface 12. As shown in FIG.

As shown in FIGS. 2 and 3, a flooring board M2 as shown in FIG. Then, the fixing surface 8 is fixed to the lower surface K3 of the opening K to the wall base α with a fixture β such as a nail. In addition, 9a is a notch.

Next, as shown in FIGS. 3 and 4, the floor board M2 as shown in FIG. A fixing surface 8 is fixed to the wall base α with a fixture β such as a nail on both side surfaces K1 of the opening K through a gap B.

FIG. 5(c) is a cross-sectional view showing the construction state of the decorative trimming edge M1. The butt end of the drywall material A is covered by constructing the engaging portion 13 of the cap M3.

After the construction of the floor board M2 is completed, an opening K consisting of a fixing surface 3, a side piece 4, a decorative piece 5, and a space 6 composed of the fixed surface 3, the side piece 4, and the decorative piece 5 is formed as shown in FIG. A stop edge X processed to a length matching the width is constructed on the upper surface X2 of the opening K.

3, 4 and 6, an insertion piece X1 is formed by cutting the decorative piece 5 and bending the side piece 4 at an angle of 90 degrees. X1 is formed along the mating portion 9 of the lining plate M2 formed on the side surface K1, and the stop edge X is fixed to the wall base α with a fixture β. Also, as shown in FIG. 2, the stop edge X constructed on the upper surface K2 is formed with drainage holes 4a cut at regular intervals in the side piece 4. As shown in FIG.

As shown in FIG. 1, a sealing S is formed before the retaining edge X is constructed to prevent rainwater from running sideways from between the scrap board T and the retaining edge X and from entering the wall substrate α. .

After completing the construction of the retaining edge X, as shown in FIG. The opening corner packing P is constructed for the purpose of preventing rainwater from entering from the corner portion.

When the construction of the opening corner packing P is completed, a long drywall material A as shown in FIG. 8(a) is processed as shown in FIGS. Construction is performed via stop edges X on the top, bottom, left, and right. At that time, the surface of the drywall material A at the corner portion between the stop edges X is fixed at four points by fixtures β. Of course, the portion of the fixture β is buried with the sealing S for waterproofing.

As an example of the drywall material A, as shown in FIG. 8(a) which is a cross-sectional view of the drywall material A and FIG. A core material 18 is sandwiched between backing materials 17, a concave portion 19 formed at the lower end in the width direction, a convex portion 20 formed at the upper end, and an upper end concave portion 20a and a fixing portion 21 formed by folding the back surface of the convex portion 20 upward. It is a long sandwich panel formed from

Note that P1 is a packing formed for strengthening waterproofness, windproofness, airtightness, and heat insulation.

The drywall materials A are fixed on the wall base α by means of fixtures β as shown in FIG. 8B by connecting the concave portions 19 to the convex portions 20 .

The drywall material A is formed from a metallic siding material, a ceramic siding material, ceramics, or the like. , copper, stainless steel, titanium, aluminum/zinc alloy plated steel plate, Galvalume steel plate (registered trademark), enamel steel plate, clad steel plate, laminated steel plate (PVC steel plate, etc.), sandwich steel plate (vibration damping steel plate, etc.), vinyl chloride resin, polycarbonate resin etc. (including, of course, colored plates coated with these in various colors) are embossed roll-molded or press-molded. As the backing material 17, aluminum metallized paper, kraft paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber nonwoven fabric. etc., or a laminate of two or more of them, or a sheet-like material subjected to waterproofing or flame-retardant treatment.

The core material 18 is made of synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc. The metal surface material 16 or the back material 17, and heated to react, foam, and harden to integrally form the metal surface material 1 and the back material 2. FIG. In the core material 18, various flame retardants such as lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, Shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite, etc.) can be mixed to improve fire resistance and fire resistance.

After completing the construction of the drywall material A to the opening K, the decorative cap M3 shown in FIG. The engaging portion 13 of the cosmetic cap M3 is inserted into the hole.

After completing the application of the retaining edge X and the decorative retaining edge M1, as shown in FIGS. 9 and 10, a retaining edge corner cap H is applied to the corner portion.

After the installation of the stop edge corner cap H is completed, the packing P1 and the sealing S are installed in the gap B between the opening X and the stop edge X as shown in FIGS. In that case, the packing P1 and the sealing S are not constructed in the gap B between the upper surface K2 and the retaining edge X, and are formed so that the rainwater that has entered the retaining edge X from the gap B can be discharged from the gap B. is.

11 to 14 are explanatory diagrams and sectional views showing the mechanism of the rain banishing structure according to the present invention.

FIG. 11 shows the rain-stopping structure of the upper surface K2 of the opening K. Even if rainwater W enters from the retaining edge X or the retaining edge corner cap H, the opening corner packings P formed on the left and right sides are Intrusion into the wall substrate α is prevented by the waste board T, and rainwater is drained to the outside through the gap B through the notch X1 formed in the stop edge X.

FIG. 12 shows the rain banishing structure of the left and right side surfaces K1 of the opening K, and even if rainwater W enters from the fixing surface 8 of the floor board M2 or the stop edge corner cap H, the rainwater is formed on the left and right. The opening corner packing P and the sealing S prevent rainwater from penetrating into the wall base .alpha.

FIGS. 13(a) and 13(b) show the rain banishing structure of the lower portion K3 of the opening K, and FIG. When the external pressure increases due to wind and rain, the internal pressure in the decorative strip M1 decreases, and the pressure difference makes it easier for rainwater to enter the interior. On the other hand, FIG. (b) shows a case in which a plurality of notches 12b (see FIG. 16) are formed in the decorative cap M3 of the decorative strip M1. Since the internal pressure inside M1 also increases, it becomes difficult for rainwater to enter inside.

FIGS. 14(a) and 14(b) show the rain banishing structure of the lower portion K3 of the opening K, and FIG. When the external pressure increases due to wind and rain, the internal pressure in the decorative strip M1 decreases, and the pressure difference makes it easier for rainwater to enter the interior. On the other hand, FIG. 15(b) shows a case where a drywall material A having a plurality of grooves 16a formed on the surface of a metal surface material 16 as shown in FIG. 15 is constructed. Due to the groove 16a of A, even if the external pressure increases due to wind and rain, the internal pressure in the decorative trim edge M1 also increases, so rainwater is less likely to enter the interior.

8 and 15, when installing the drywall material A, as shown in FIG. The sealing S is applied between 8 to reinforce waterproofness.

A decorative cap M3 shown in FIG. 16 is formed with cutouts 12b obtained by cutting the step 12a portion at regular intervals. This notch 12b makes the internal pressure in the space 6 of the decorative trimming edge M1 formed on the lower surface K3 after the construction equal to the external pressure, thereby preventing rainwater from entering the interior.

18(a)-(c)-FIG. 20(a)-(c) are explanatory diagrams showing the retaining edge used in the general part, the floor board M2 used as the external corner and the internal corner, and the decorative cap M3. be.

A Drywall material a Arrow B Gap H Retaining edge corner cap K Opening K1 Side surface K2 Top surface K3 Bottom surface M Joint M1 Decorative retaining edge M2 Floor board M3 Decorative cap P Opening corner packing P1 Packing S Sealing T Scrap board W Rainwater X Retaining edge X1 Insertion piece α Wall base β Fixing tool 1 Fixing surface 2 Waterproof surface 3 Fixing surface 4 Side piece 4a Drainage hole 5 Decorative piece 6 Space 7 Notch 8 Fixing surface 9 Fitting part 9a Notch 10 Fitting groove 11 Fitting piece 12 Decorative surface 12a Step 12b Notch 13 Engaging part 14 Engaging piece 15 Space 16 Metal surface material 16a Groove 17 Back material 18 Core material 19 Concave part 20 Convex part 20a Upper end concave part 21 Fixing part

Claims (1)

In a drywall material used for a building or a building and a rain-proof structure for an opening such as a sash, a substantially L-shaped cross section is formed from a vertical flat fixing surface and a waterproof piece by folding the lower end of the fixing surface to the outside. a long scrap board, a vertical flat fixing piece, a side piece obtained by folding one end of the fixing piece at approximately 90 degrees, and a decorative piece projecting the tip of the side piece approximately parallel to the fixing piece 2 members: a stop edge formed from a solid, a lining plate formed in a substantially L shape from a fixed surface and a fitting portion, and a decorative cap formed in a substantially L shape from a decorative surface and an engaging portion Using a stop edge, a continuous sealing is formed on the upper surface of the opening, the waterproof surface of the scrap board is placed and fixed through the sealing, and a gap is provided on the lower surface and both sides of the opening. The lining board is fixed through a gap, and a retaining edge with a drainage hole formed by partially cutting the side piece that will be the lower surface is fixed through a gap on the upper surface of the opening, and the corner parts of each of the four openings The corner packing of the opening is formed on the fixing surface of the opening, and the drywall material cut to fit the opening is installed through the retaining edge of the opening and the lining board, and the lining formed on the side and bottom surfaces. The decorative cap is fixed to the opening by inserting and fixing the engaging portion of the decorative cap into the fitting portion of the battens, and sealing is formed in the gap between the opening and the retaining edge, and the upper surface portion of the opening is provided with a seal. is a drywall material characterized by forming a gap and a rain-proof structure of an opening.

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